@misc{ects,
  title = "European Credit Transfer and Accumulation System",
  author= "Wikipedia",
  howpublished = "Website",
  note = "\url{http://en.wikipedia.org/wiki/European_Credit_Transfer_and_Accumulation_System}",
}

@misc{regex,
  title = "Regular Expression Matching Can Be Simple And Fast",
  author = "Russ Cox",
  howpublished = "Website",
  year = "2007",
  note = "\url{http://swtch.com/~rsc/regexp/regexp1.html}",
}

@misc{regex-syntax,
  title = "Regular Expressions Reference",
  author = "Jan Goyvaerts",
  howpublished = "Website",
  note = "\url{http://www.regular-expressions.info/reference.html}",
}